1 pcs 白色蛋白石 - 7.90 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

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ALGT COLORED STONE IDENTIFICATION REPORT IDENTIFICATION Species .............................................................................................................. Natural Opal Variety ............................................................................................................... Crystal Opal DESCRIPTION Shape & Cutting Style ......................................................................... Oval, Cabochon Measurements .................................................................... 18.39 x 12.94 x 7.34 mm Carat Weight ...................................................................................................... 7.90 Carat Color ................................................................................ White + Play of Colors (Vivid) Transparency ....................................................................................... Semi-transparent ADDITIONAL GRADING CHARACTERISTICS Color Quality Grade .......................................................................... Fine Color Quality Optical Effect .................................................................................................. Opaliscence COMMENTS No indications of treatment. 16 January, 2026 73584561

編號 101890391

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1 pcs 白色蛋白石 - 7.90 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

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ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .............................................................................................................. Natural Opal
Variety ............................................................................................................... Crystal Opal
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Cabochon
Measurements .................................................................... 18.39 x 12.94 x 7.34 mm
Carat Weight ...................................................................................................... 7.90 Carat
Color ................................................................................ White + Play of Colors (Vivid)
Transparency ....................................................................................... Semi-transparent
ADDITIONAL GRADING CHARACTERISTICS
Color Quality Grade .......................................................................... Fine Color Quality
Optical Effect .................................................................................................. Opaliscence
COMMENTS
No indications of treatment.
16 January, 2026
73584561